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Note 14 - Reportable Segments - Reconciliation of Reportable Segments and All Other Net Sales to Consolidated Net Sales (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Consolidated net sales		$ 3,243	$ 3,615	$ 6,421	$ 7,295
Hemlock and Emerging Growth Businesses [Member]
Net sales of reportable segments		377	418	763	793
Operating Segments [Member]
Net sales of reportable segments		3,482	3,762	6,849	7,506
Operating Segments [Member] | Reportable Segments [Member]
Net sales of reportable segments		3,105	3,344	6,086	6,713
Segment Reconciling Items [Member]
Impact of constant currency reporting (1)	[1]	$ (239)	$ (147)	$ (428)	$ (211)
[1] This amount primarily represents the impact of foreign currency adjustments in the Display Technologies segment.

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